Vulnerability · Published Oct 8, 2026 · Assigned by mitre
CVE-2026-87726
Low 3.9
In plain English
A low-severity out-of-bounds write in NxpNfcRdLib from NXP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)3.9Low
Exploit odds (30 days)<0.1%top 99.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient API bounds checking in phalFelica in NXP NXPNfcRdLib RC663 through 07.14.00_Pub may allow an attacker with privileges or an untrusted third party to access unintended memory regions, potentially leading to limited loss of confidentiality, integrity, and availability. All software versions from 07.18.00 onwards have fixed this problem.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NXP | NxpNfcRdLib | RC663 – before 07.18.00 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L